The Hertel Standard Pipe Tap delivers precision threading for your most demanding applications. This 1-1/2 - 11-1/2 NPT tap features 7 flutes in high-speed steel with a bright, uncoated finish for optimal cutting performance. With a total length of 4-1/4 inches and a thread length of 1-3/4 inches, this tool provides the perfect balance of reach and control when creating internal pipe threads. The standard flute design efficiently channels chips away from the cutting edge, reducing friction and extending the tool's lifespan. Manufactured by MSC Industrial under the trusted Hertel brand, this professional-grade tap (Part #R837562) is engineered for consistency and durability across a wide range of threading applications. Ideal for plumbing, industrial piping, and mechanical systems where precise NPT connections are essential.